. Author manuscript; available in PMC: 2017 Sep 1.

Published in final edited form as: Ecol Appl. 2016 Sep;26(6):1771–1784. doi: 10.1890/15-0025.1

Table 2.

General linear model results, for streams in the Lake Sunapee Watershed, NH. Explanatory variables were centered for the analyses that included interaction terms.

Model	Estimate	Parameter Estimates Std. Error	P
a. Streamwater [MeHg]	R²=0.66, F_2,17=19.72, p<0.0001
Intercept	-0.07	0.07	0.35
[DOC]	0.06	0.01	<0.0001
Year	0.06	0.03	0.09
b. Chironomid prey [MeHg]	R²=0.61, F_5,23=9.91, p<0.0001
Intercept	317.38	18.22	<0.0001
Streamwater [MeHg]	671.75	113.82	<0.0001
[DOC]	-18.18	7.02	0.02
Streamwater [MeHg]*[DOC]	-133.42	42.07	0.004
Month [May]	-8.82	18.48	0.64
Month [June]	10.26	18.48	0.58
c. Non-chironomid prey [MeHg]	R²=0.76, F_3,5=9.52, p=0.02
Intercept	183.03	17.52	<0.0001
Streamwater [MeHg]	-161.27	106.42	0.19
[DOC]	22.14	6.77	0.02
Streamwater [MeHg]*[DOC]	-99.57	39.47	0.05
d. Spider [MeHg]	R²=0.33, F_4,14=3.26, p=0.04
Intercept	1180.02	150.63	<0.0001
Streamwater [MeHg]	1514.89	833.74	0.09
[DOC]	-38.94	60.55	0.53
Streamwater [MeHg]*[DOC]	-321.67	174.83	0.09
Year [2012]	-268.19	123.84	0.05